There is a mass-luminosity relation because
A) hydrogen fusion produces helium.
B) stars expand when they become giants.
C) stars support their weight by making energy.
D) the helium flash occurs in degenerate matter.
E) all stars on the main sequence have about the same radius.

Question

Quizplus · Accepted Answer

The mass-luminosity relation exists because more massive stars have greater gravitational pressure, requiring them to produce more energy to support their weight, resulting in higher luminosity.

There Is a Mass-Luminosity Relation Because